package cn.wolfcode.java39.api._02_producer_type;

import com.alibaba.fastjson.JSON;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;

public class SyncProducer {
    public static void main(String[] args) throws Exception {
        //实例化消息生产者Producer
        DefaultMQProducer producer = new DefaultMQProducer("wolfcode-producer");
        //设置NameServer的地址
        producer.setNamesrvAddr("192.168.174.101:9876;192.168.174.102:9876");
        //启动Producer实例
        producer.start();
        for (int i = 0; i < 100; i++) {
            //创建消息,并指定Topic,Tag和消息体
            Message msg = new Message("02-producer-type" , "TagA", ("Hello RocketMQ " + i).getBytes("utf-8") );
            //发送同步消息到一个Broker
            SendResult sendResult = producer.send(msg);
            // 通过sendResult返回消息是否成功送达
            System.out.println(JSON.toJSONString(sendResult));
        }
        // 如果不再发送消息，关闭Producer实例。
        producer.shutdown();
    }
}
